James entwistle



. oooeoooeom MFEYLRS. FNOm-LITHDGRAPHER. WASHINGTON. Dv C.

datiert gister stent dtjiire.

JAMES ENTWISTLE, OFv OONSHOHOOKEN, ASSIGNOR 'TO HIMSE'LF AND JOHN PARKINSON, OF PHILADELPHIA, PENNSYLVANIA.

Letters Patent No. 108,467, dated October 18. 1870.

lMPROVEMENT lN SELF-ACTING MULES, &c., FOR SPINNING.

vd-*Ohh*- The Schedule referred to in these Letters Patent and n'iakur;` part of the same.

I,v J Mus Extrwrs'rnn, of Conshohocken, count-y of Montgomely, State of Pennsylvania, have invented certain Mechanisms for Operating the Carriages of Self-Acting Mules, of which the following is a spec-i ication.

Nature and Object of the Invention.

My invention consists of certain mechanism for' imparting an intermittent reciprocating motion` tothe carriage of a self-acting mule, the said mechanism being too fully explained hereafter to need an introductory description.

The object of my invention is to impart the desired movement to the carriage. of a mule by mechanism not only of a simple and inexpensive character, but such as shall occupy comparatively little space, the saving of space in a mule-'room being always a desirable object. i

Description of the Accompanying Drawing.

Figure 1 is a vertical section of sufficient of a selfacting mule to illustrate my invention;

Figure 2, the same, showing the carriage in a different position;

Figure 3, a plan view; and

Figure 4, a vertical section on the line 1 2, iig. 3.

General Description.

A A A represents part of the frame-work'of a selfacting mule, and

B is the usual carriage, with spindles and drum for operating the same,'this carriage being provided with wheels (t a, adapted to rails secured to the framm It has not been deemed necessary to refer to this carriage in more explanatory terms, inasmuch as my invention has no relation to the carriage itselt, but to the mode ot' operating the same.

In suitable bearings secured to the frame of the mule, turns a horizontal shaft, E, furnished with the usual fast and loose pulleys, and on this sha-ft is worm, l), gearing into a worm-wheel, F, on a vertical shaft, Gr.

Two standards, D and D, are secured to the floor at the rear of the mule, and these standards are' connected together at the top by a cross-bar, d, in which turns the upper end of the above-mentioned spindleG, the lower end of the latter turning in a suitable step, e. (See tig. et.)

' ,From the upper face of the worm-wheel F project three pins, ffj", the pins beingl arranged at equal distances apart, and at 'the same from the center ot` the shaft G, and each pin projecting into and beingssteadied by a disk, h, secured to the vertical spindle G, and revolving therewith.

Between the disk h and the worm-wheelF is a yoke-like arm, H, which is hinged ati to a projection in the standard D, this arm being connected by a coupling, lmy, to the two links a and n. p.

The link a is jointed to the lever 11, the latter being crossed bythe lever p', whichs jointed to the link a', the fulcrum common to these levers p and p being a stationary pin, q.

These levers p and p' are jointed to other crossed levers, which areconnected together midway between their opposite ends, and this system of crossed levers can be continued to any desired length, precisely like the mechanical device known as lazy-tongs, the levers being finally connected to links t t jointed to a projection, w, at the rear of the carriage B.

It will be evident that, on imparting avihrating motion to the arm H, the carriage `B will, through the medium of tlie system of levers described above, be caused to traverse backward and forward on its track.

Itis necessary,however, in all self-acting mules, that the carriage should remain stationary at the limit of 'itt' outward movement, as well as at the limit of its inward movement, and this is accomplished by imparting an intermittent vibrating motion to the arm H.

As .seen in tig. 3, the carriage has very nearly reached the limit of its outward movement, and, as thefworm-wheel F is revolving in the direct-ion of the arrow, the roller of the pin f is about passing the rounded point of the projection s on the arm H. In the meantime the roller ot' the pin f is about to approach the projection s' of the arm H. Before it can reach this projection, however, the pin f has passed the point of the projection s hence the arm H must remain stationary during the time which elapses between the passage of the roller of the pin f from the projection s a-nd the arrival of the roller of the piu f at the projection s of the lsaid arm, and, during the same time, the carriage must necessarily remain stationary when at the limit of itseout-ward movement.

The same operation of the rollers of the pins of the wheel F, on the projections s s of the yoke-like arm H, takes piace when the carriage reaches the limit of its inward movement. In other words, the desired intermittent vibrating movement of the arm Hi'is obtained by the tln'ee pins ff and f, in combination with the two projections s and s of the said arm.

I`he siml'llicity and compactncss of my improved mechanism for operating-the carriages ot' selilacting mules will be best understood by comparing it with the appliances hfretoforo used for that purpose g appliances not only of an elaborate and costly character, but such as occupy much more space than the.

machinery described above.

My invention, although intended especially forsclfacting mules, jeksfm., can, it vwill be evident, be applied to any spinning-machine in which a traversing carriage isemployed.

Claims. 1. The carriage B, carrying in series offspiudles, :md operated by the rotating wheel F, through the medium of the pins .f f vibrating lever H, its

projections s s', and the cross-levers 7) p', ali substantiaiiy :is desoribeu,

2. The combinaion of the said system of crosslevers'ancl rotating wheeh E,'having three pins, f,

f', and f7', with the yoke-like varm H having projections s s', and vihraing on a pin, i, substantially as described.

witnesses.

' In testimony whereof', I have signed my nadie to this specification in thefpresence of two subscribing JAMES ENTV-VISTLE.

Witnesses:

'WAL A. STEEL,

LOUIS BosWIJLL. 

